The MX801 + DO and temp Data Logger Kit provides a simple, accurate solution for water quality monitoring in environmental, aquaculture, and laboratory applications.

This kit combines the MX801 multiparameter data logger with the HOBO W-DO Dissolved Oxygen and Temperature sensor. Fully submersible and Bluetooth-enabled, the MX801 allows for fast setup, guided calibration, and wireless data offload via the HOBOconnect app on iOS, Android, or Windows.

Designed for users upgrading from the U26-001 HOBO Dissolved Oxygen Logger—or starting fresh—this kit delivers reliable performance in the field. Need to track additional parameters, like Conductivity or Depth? No problem—MX800 loggers support up to two sensors of your choice, offering maximum flexibility. You can learn more about MX800 Multiparameter Data Loggers and configure a customised version HERE.

Key Features

• Bluetooth 5.0 for fast logger configuration and data offload
• Fully submersible design (<2″ diameter) for easy deployment
• Water detect feature confirms when logger leaves the water
• Guided calibration ensures accurate DO and temperature readings
• User-replaceable batteries for long-term monitoring
• Supports up to two interchangeable MX800 sensors (REQUIRES 2-SENSOR ADAPTER)
• Includes MX801 Submersible Data Logger and Dissolved Oxygen & Temperature sensor

Everything you need to get started is included

MX801 Multiparameter Data Logger

Fully submersible, Bluetooth-enabled logger designed for fast setup, guided calibration, and wireless data offload. Supports up to two interchangeable MX800 sensors for flexible monitoring.

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W-DO Dissolved Oxygen & Temperature Sensor

Accurate, easy-to-deploy sensor for measuring dissolved oxygen and temperature in water. Pre-calibrated and compatible with MX801 loggers for plug-and-play monitoring.

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Interchangeable Sensors: Enhancing Your Water Monitoring Capabilities

Introducing a range of versatile sensors for the HOBO MX800 Series, including the Conductivity and Temperature Sensor, CTD Sensor, and the upcoming Dissolved Oxygen Sensor. These sensors empower precise water parameter measurements, enabling seamless integration with MX800 loggers for enhanced monitoring efficiency.

Conductivity and Temperature (CT) Sensor

Enhance your water monitoring experience with the versatile Conductivity and Temperature Sensor. This sensor accurately measures conductivity and temperature, enabling precise calculations of specific conductance, salinity, and total dissolved solids (TDS). Simplify data collection with features like a 4-electrode conductivity sensor, central positioning for reduced interference, and durable stainless steel construction for reliable performance in various environments.

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Conductivity, Temperature & Depth (CTD) Sensor

Elevate your water monitoring capabilities with the HOBO MX800 Series CTD Sensor. This advanced Conductivity/Temperature/Depth sensor, available in various depths, is designed for precision in freshwater and saltwater environments. The interchangeable CTD sensor offers accurate measurements of conductivity, temperature, and water level, enabling MX800 loggers to calculate specific parameters effortlessly.

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See the MX800 Logger User Guide page for Data Logger and DO Sensor Specifications

View the resource here >>

Download the free HOBOconnect app for your iOS or Android mobile device or Windows computer today.

Onset’s HOBOconnect app, accessed from a free download from the iTunes or Google Play app store, or your pc, makes it quick and easy to configure compatible MX Series data loggers (chart below) and manage the collected data. From your mobile device, tablet, or Windows computer, users can view data in graphs, check the operational status of loggers, share data files and graph images for analysis in Excel, Numbers, and other applications, and store data in the cloud. HOBOconnect also makes it fast and easy to set up audible alarm notifications so users are immediately notified of problems.

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